import math
# 题目：一个整数，它加上100和加上268后都是一个完全平方数，请问该数是多少？
for x in range(10000):
    a = (int)(math.sqrt(x + 100))
    b = (int)(math.sqrt(x + 268))
    if (a * a == x + 100) and (b * b == x + 268):
        print(x)


# l=[]
# for i in range(3):
#     x = int(input("input 3 integer\n"))
#     l.append(x)
# l.sort(key=None, reverse=False)
# print(l)

def feb(n):
    a,b = 1,1
    for x in range(n-1):
        a,b = b,a+b
    return a

print(feb(10))


def feb2(n):
    if n==1 or n==2:
        return 1
    else:
        return feb2(n-1)+feb2(n-2)
print(feb2(10))